> Your web browser does not send a Referer:-header for the specific > request or between you and validator.w3.org is some proxy server that > filters the referer header out. > The CSS Validator does not support SSL (AFAICT). The referers are not necessarily filtered by a proxy. They are simply not sent, if the page with the referer link is transferred using SSL. See http://www.w3.org/Protocols/rfc2616/rfc2616-sec15.html#sec15.1.3: "Clients SHOULD NOT include a Referer header field in a (non-secure) HTTP request if the referring page was transferred with a secure protocol." SamuelReceived on Thursday, 11 December 2003 02:31:31 UTC
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